Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
FDXLBVS1930 | Hayward Blower Vacuum Switch For H-Series Heaters
Pickup, delivery and shipping times are estimates, not guarantees.
Couldn't load pickup availability
● 23 in stock30-day returns Secure checkout
Have a question about this part?
Ask about fit, specs or shipping and get an instant answer.
Goes with this part
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Hayward Blower Vacuum Switch FDXLBVS1930 is a key safety and performance component for Universal H-Series Low NOx pool heaters. This switch monitors blower operation to ensure consistent airflow, enabling proper combustion and safe heating performance. By detecting inadequate vacuum pressure, it prevents ignition under unsafe conditions and reduces the risk of overheating. Constructed from durable, high-quality materials, this vacuum switch is built for long-term reliability in demanding pool environments. It is an essential part for routine service and targeted repairs, helping maintain heater efficiency and operational safety.
-
OEM Fit for Universal H-Series Heaters: Designed to work seamlessly with Hayward Low NOx models, ensuring precise airflow monitoring and ignition control
-
Monitors Blower Vacuum Pressure: Helps regulate internal combustion airflow and prevents ignition during low or blocked airflow conditions
-
Enhances Heating Safety and Efficiency: Supports safe operation by avoiding overheating and ensuring optimal system performance
-
Constructed for Long-Term Use: Built from durable materials engineered to resist poolside environmental stress and frequent usage
-
Essential for Maintenance and Troubleshooting: Ideal for resolving airflow-related errors and sustaining long-term heater function
- Hayward Universal H-Series Low NOx Heaters Models: H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, H500FD
